Bella went to the store and bought $6 worth of Swedish fish, $ 2.19 on gummy worms, $ 4.09 on laffy taffy and $3.31 on starburst. If Bella pays with a $20 bill, how much change will she receive ?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Can anyone me get through my algebra 2 class? the only class i need to graduate..

What is the volume of a cardboard box that measures 1 inch by 5 inches by 7 inches? the volume of the cardboard is cubic inches. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to the nearest tenth, like this: 42.5